<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <h1>我的星空</h1>
    <div class="sky1">
    </div>
    <div class="sky2">
    </div>
    <div class="sky3">
    </div>
    <link href="./sky.css" rel="stylesheet">
</body>
</html>